Re:Erlang/OTP 19.0 has been released
by X4lldux on Wednesday June 22, 2016 @08:49AM
(#11953435)
I'd rather have Bitcask or RocksDB - something that has better crash recovery capabilities. LevelDB was marked as being prone to data corruption. DETS has similar problems when not closed properly.
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| on HN ]
> LMDB was marked as being prone to data corruption
Don't know where you got your information from, but LMDB is verified as the safest storage engine:
https://www.usenix.org/conference/osdi14/technical-sessions/...
Sorry, I was thing about LevelDB. ANd yes, you are right about LMDB!
DETS is supposed to repair itself on startup. I think most crash-only systems work that way (on startup, start reading from end and find last consistent bit and chop off the rest). But there could obviously been a bug there.